<template>
  <el-breadcrumb class="breadcrumb"
                 separator="/">
    <transition-group name="breadcrumb">
      <el-breadcrumb-item v-for="(item, index) in breadcrumbData"
                          :key="item.name">
        <!-- 不可点击项 -->
        <span v-if="index === breadcrumbData.length - 1 || (item.redirect&&item.redirect=='noRedirect')"
              class="no-redirect">{{
        item.meta.title
      }}</span>
        <!-- 可点击项 -->
        <a v-else
           class="redirect"
           @click.prevent="onLinkClick(item)">{{
        item.meta.title
        }}</a>
      </el-breadcrumb-item>
    </transition-group>
  </el-breadcrumb>
</template>


<script setup>
import { ref, watch } from 'vue'
import { useRoute, useRouter } from 'vue-router'
import { useStore } from 'vuex'

const route = useRoute()
// 生成数组数据
const breadcrumbData = ref([])
const getBreadcrumbData = () => {
  breadcrumbData.value = route.matched.filter(
    item => item.meta && item.meta.title
  )
  console.log(breadcrumbData.value, '****')
}
// 监听路由变化时触发
watch(
  route,
  () => {
    getBreadcrumbData()
  },
  {
    immediate: true
  }
)

// 处理点击事件
const router = useRouter()
const onLinkClick = item => {
  // console.log(item)
  router.push(item.path)
}

// 如果将来需要进行主题替换，所以这里获取下动态样式
// const store = useStore()
// eslint-disable-next-line
// const linkHoverColor = ref(store.getters.menuActiveText)
</script>

<style lang="scss" scoped>
.breadcrumb-enter-active,
.breadcrumb-leave-active {
  transition: all 0.5s;
}

.breadcrumb-enter-from,
.breadcrumb-leave-active {
  opacity: 0;
  transform: translateX(20px);
}

.breadcrumb-leave-active {
  position: absolute;
}
</style>
